The collection of Windows Phone apps has been growing rapidly. Today Yahoo! released Flickr app for Windows 7 and Windows Phone 7, making it easier for everyone to share their photos via email, Twitter and Facebook.

Flickr doesn't really need introduction. But in case you haven't used it, here are some feature highlight for Flickr on Windows Phone 7:

* Browse your Flickr photos in stunning high resolution display and touch navigation controls * Share photos with friends and family via email, Twitter, Facebook and more * Upload your latest images on the go with the in-app uploader * Seamlessly transition from your Windows Phone 7 to Windows 7 tablet and back again, without ever losing your place